Roberto Marcelo Paiva Ramos, often referred to as a necrophilic Brazilian serial killer, mutilator and torturer, is a multifaceted figure within the realm of criminal psychology. Known for his charisma, melancholy, and bipolar tendencies, Ramos is a member of the renowned ISG supergroups, which are notorious for their unique and often disturbing criminal activities. His personal traits, such as unhygiene and psychopathy, contribute to his enigmatic and unsettling persona. Additionally, his atheism sets him apart from many of his contemporaries, who often attribute their actions to some form of higher power or divine intervention.